Each week we use our regular course near Wool (P459). It is simple to navigate, with only 3 left turns. A long downhill, a long flat, and a 2% incline back to the finish line. You can see the full course here:
https://www.strava.com/segments/17425486?oq=P459
There are a few parking areas a short walk or cycle from the sign on/start line. Links below to these locations
https://w3w.co/remission.suspended.wake